Mobile Application - Finance Calculator - Android & iOS

We would like to build an mobile application (Android, IOS) (Phone & Tablet). This is a financial calculator with following fetures:

1. Customer Signup & Login Module

2. Pricing Plans Based on Number of Troubleshooting Queries

3. Troubleshooting History

4. Payment Gateway Integration

5. Discount Coupons

Admin Panel Modules:-

1. Customer Management

2. Pricing Plans Management

3. Payment Transactions & Reports

4. Discount Coupons Management

5. Notifications & Alerts

Automated email notifications for customer signups, plan purchase, plan expiry.

thank you